# Permutation Combination vs Pipe Offset & Cut Length

The clearest difference is in-app purchases: Permutation Combination at none against Pipe Offset & Cut Length's 3. Permutation Combination also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Pipe Offset & Cut Length's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Pipe Offset & Cut Length sells 3 in-app purchases, starting at $2.99 per month. Permutation Combination asks for nothing beyond the download.

## The numbers

| Metric | Permutation Combination | Pipe Offset & Cut Length |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Monetization | Ad-supported | — |
| Size | 31 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HIWAZERO](https://appshunter.io/developer/1621048794) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### Permutation Combination

[App page](https://appshunter.io/ios/app/permutation-combination/id6448662601)

Easily calculate permutations and combinations for mathematics and statistics. This tool simplifies complex calculations, helping users save time and improve accuracy in exams and studies.

**Highlights:** Permutation calculations, Combination calculations, Time-saving for exams, Mathematical and statistical use, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Pipe Offset & Cut Length

[App page](https://appshunter.io/ios/app/pipe-offset-and-cut-length/id6813725864)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Offset Pro (Monthly) | $2.99 | per month |
| Pipe Offset Pro (Yearly) | $14.99 | per year |
| Pipe Offset Pro (One-time) | $29.99 | one-time |


## Frequently asked questions

### Is Permutation Combination free?

Permutation Combination is free to download, with no in-app purchases.

### Is Pipe Offset & Cut Length free?

Pipe Offset & Cut Length is free to download, with in-app purchases available.

### Do Permutation Combination or Pipe Offset & Cut Length have ads?

Permutation Combination shows ads; Pipe Offset & Cut Length does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*